package main

import "fmt"

func main() {
	s := make([]string, 3)
	fmt.Println("emp", s)
	fmt.Println("len", len(s))

	s[0] = "a"
	s[1] = "b"
	s[2] = "c"
	fmt.Println("set", s)
	fmt.Println("get", s[2])

	fmt.Println("len", len(s))

	s = append(s, "d")
	s = append(s, "e", "f")
	fmt.Println("apd", s)

	c := make([]string, len(s))
	copy(c, s)
	fmt.Println("cpy", c)

	l := s[2:5]
	fmt.Println("sl1", l)

	l = s[:5]
	fmt.Println("sl2", l)

	l = s[2:]
	fmt.Println("sl3",l)

	t := []string{"g","h","i"}
	fmt.Println("dcl",t)

	twoD := make([][]int,3)

	for i := 0; i < 3; i++ {
		innerLen := i+1
		twoD[i] = make([]int,innerLen)
		for j := 0; j < innerLen; j++ {
			twoD[i][j] = i+j
		}
	}
	fmt.Println("2d",twoD)
}
